Bristol Silicone Roof Coating Contractor

Drainage decides most of it. Roofs that pond after rain or snowmelt get silicone, and roofs that shed water quickly can take acrylic. Slope, any existing coating, and foot traffic settle the rest.

Dirt sticks to it more, it is slick when wet, and most other products will not stick to it later, so recoats stay silicone. On roofs that hold water, those trade-offs are usually worth it.

One or two passes, set by the dry mil thickness the manufacturer specifies. Seams and fasteners get extra material first, and wet mils are measured while spraying.

Prep, seams, thickness, primer, and access. Silicone sits in the published $2.50 to $4.00 per square foot range, and those items move a roof within it.

Thickness, surface prep, ponding, and foot traffic set its life. Dirt and scrapes from snow removal or equipment service are the usual wear points, and the fix is a silicone recoat.

Often, after testing. A clean, well-attached acrylic layer can take a primer and then silicone, while loose or chalky acrylic has to come off first. We run an adhesion test on a small area before writing silicone into the estimate, because the bond to the layer underneath decides how long the new coat holds.

Silicone, on any roof where melt sits. Snow on a low-slope roof melts slowly and can leave water standing for days, which wears acrylic down over time. On pitched metal that drains as fast as it melts, acrylic does fine, so the slope of each roof section usually settles the choice.

When wet, yes. Silicone gets slick after rain, frost, or dew, so we mark walk paths to rooftop units and can add a textured walkway coat or pads along them. Maintenance staff and HVAC technicians should know where those paths run before their next trip onto the roof.